<template>
	<view class="login-container">
		<uni-icons type="contact-filled" size="100" color="#AFAFAF"></uni-icons>
		<button type="primary" class="btn-login" @click="getUserProfile">一键登录</button>
		<view class="tips-text">登录后尽享更多权益</view>
	</view>
</template>

<script>
	import {
		mapMutations
	} from 'vuex'

	export default {
		name: "my-login",
		data() {
			return {
				token: '1234'
			};
		},
		methods: {
			...mapMutations('m_user', ['updateUserInfo', 'updateToken', 'updateRedirectInfo']),

			// 获取微信用户的基本信息
			getUserProfile() {
				uni.getUserProfile({
					desc: '你的授权信息',
					success: (res) => {
						console.log(res);
						this.updateUserInfo(res.userInfo)
						this.getToken(res)
					},
					fail: (res) => {
						return uni.$showMsg('您取消了授权')
					}
				})
			},

			async getToken(info) {
				// 调用微信登录接口
				const [err, res] = await uni.login().catch(err => err)
				// 判断是否 wx.login() 调用失败
				if (err || res.errMsg !== 'login:ok') return uni.$showError('登录失败！')
				// 准备参数对象
				const query = {
					code: res.code,
					encryptedData: info.encryptedData,
					iv: info.iv,
					rawData: info.rawData,
					signature: info.signature
				}
				// 换取 token
				const {
					data: loginResult
				} = await
				uni.$http.post('/api/public/v1/users/wxlogin', query)
				console.log(loginResult);
				if (loginResult.meta.status !== 200) {
					uni.$showMsg('登录成功')
					uni.setStorageSync('token', this.token);
					this.updateToken(this.token)
				}
			}
		}
	}
</script>

<style lang="scss">
	.login-container {
		// 登录盒子的样式
		height: 750rpx;
		display: flex;
		flex-direction: column;
		align-items: center;
		justify-content: center;
		background-color: #f8f8f8;
		position: relative;
		overflow: hidden;

		// 绘制登录盒子底部的半椭圆造型
		&::after {
			content: ' ';
			display: block;
			position: absolute;
			width: 100%;
			height: 40px;
			left: 0;
			bottom: 0;
			background-color: white;
			border-radius: 100%;
			transform: translateY(50%);
		}

		// 登录按钮的样式
		.btn-login {
			width: 90%;
			border-radius: 100px;
			margin: 15px 0;
			background-color: #c00000;
		}

		// 按钮下方提示消息的样式
		.tips-text {
			font-size: 12px;
			color: gray;
		}
	}
</style>